Senior Shopify Developer (Conversion-Focused)

Work directly with the founder of a fast-growing UK ecommerce brand

We’re RedLight Innovation a high performance e-commerce company focused on red light therapy for hair loss. Our product is trusted by influencers, celebrities, and hair clinics across the UK and beyond. We’re looking for a serious Shopify developer who’s more than just “familiar with Liquid” we want someone who builds fast, converts better, and thinks like a growth strategist.

This is a long-term role for someone who’s confident in building fast, scalable, editable Shopify components and wants to be part of a company with global expansion plans.

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What You’ll Be Doing

• Building custom Shopify 2.0 sections that are clean, editable, and mobile-optimised
• Dramatically improving page speed using techniques like script deferring, lazy loading, and removing unused CSS/JS
• Running conversion-focused A/B tests (layouts, copy, offer structure, UI)
• Turning Figma designs into responsive, high-converting landing pages and PDPs
• Working directly with the founder (me, Luke) to continuously test and improve performance

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Must-Have Skills

• Deep understanding of Liquid, Shopify theme architecture, and Shopify 2.0
• Strong JavaScript skills (vanilla JS, DOM manipulation, performance-friendly code)
• Proven ability to improve page speed scores
• Experience running CRO and A/B testing frameworks
• Comfortable working from Figma designs

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Bonus Points If You:

• Can build clean UI blocks in Figma
• Understand Shopify Analytics, GA4, or Meta Pixel event tracking
• Have experience building post-purchase upsells, quiz funnels, or custom cart logic

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What You’ll Get:

• Remote role with flexible hours (as long as we can collaborate on UK time occasionally)
• Ongoing, long-term work with a stable and growing ecommerce brand
• Competitive pay, bonuses based on performance, and opportunities to grow with us
• Freedom to take ownership of builds and suggest ideas to improve conversions

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???? To Apply:

Please include the following in your application:
1. A short intro about your experience with Shopify
2. 2–3 examples of custom Shopify sections or themes you’ve built (GitHub, live links, or screenshots)
3. A short Loom (optional but encouraged) explaining one A/B test or speed improvement you’ve done
4. Your hourly or monthly rate

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Only apply if you’re confident in custom coding, speed optimisation, and conversion strategy.
We’re not looking for page builder freelancers. We’re looking for someone world-class.

Looking forward to building something epic with you.

Luke
Founder, RedLight Innovation